2017年6月28日
Codeforces Round #420 (Div. 2) E. Okabe and El Psy Kongroo dp+矩阵快速幂
摘要： E. Okabe and El Psy Kongroo Okabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how ma 阅读全文
posted @ 2017-06-28 15:48 抓不住Jerry的Tom 阅读(354) 评论(0) 推荐(0)